Sealing blade for working machine



FIG. 1 is a perspective view of a sealing blade for working machine, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is an enlarged left side view thereof.

The broken lines in the drawings depict unclaimed environmental subject matter.

The appearance of any portion of the sealing blade for working machine extending beyond the broken line at the right side edge forms no part of the claimed design. 

CLAIM The ornamental design for a sealing blade for working machine, as shown and described. 